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Bayan-class cruiser
Photo: Unknown author · Wikimedia Commons · Public domain
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Bayan-classcruiser

Cruisers · Japan · 1900
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Bayan-classcruiser

Bayan-class cruiser
Bayan-class cruiser Photo: Unknown author · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Firepower
60
Air Defence
10
Multi-Role Capability
30
Sensors
5
Survivability
70
Endurance
65
Command Capability
50
Aviation
0
Strategic Impact
40
Cost-Effectiveness
60
Origin Japan
CategoryCruisers
EraPre-WWI / Industrial Age
In service1900–1911
Operators2 countries
Quantity4
Data Quality87%
MASS(Military Archive Scoring System)
38
Cruisers MASS Rating
18/150
Pre-WWI / Industrial Age
130/292
All-Time
Cruisers · 10 axes scored
Firepower
60
Air Defence
10
Multi-Role Capability
30
Sensors
5
Survivability
70
Endurance
65
Command Capability
50
Aviation
0
Strategic Impact
40
Cost-Effectiveness
60
ⓘ Regardless of era, the same scoring system applies to all units in the cruisers category.
01 / Overview
Bayan-class cruiser
Category
Country
Production
1900–1911
Quantity
4
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
CRUISERS · PRE-WWI / INDUSTRIAL AGE
18
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
38
cruisers category
ⓘ Performance/Price and MASS score are computed across all units in the cruisers category, regardless of era.
02 / Specs & Design
◎Identification8MOD.8
  • Hull ClassificationArmored cruiser
  • Ship TypeArmored cruiser
  • Builder / ShipyardSociété Nouvelle des Forges et Chantiers de la Méditerranée (lead ship), Russian shipyards (sisters)
  • Laid Down1899
  • Launched1900
  • Commissioned1902
  • Ships in Class4
  • In ServiceYes
◈Displacement3MOD.3
  • Light Displacement7,750 t
  • Standard Displacement7,750 t
  • Full Load Displacement7,750 t
▣Dimensions4MOD.4
  • Length (overall)137 m
  • Length (waterline)135 m
  • Beam21.8 m
  • Draft6.7 m
◇Complement2MOD.2
  • Total Complement573
  • Air Wing Personnel0
◆Propulsion9MOD.9
  • PropulsionSteam Reciprocating
  • Arrangement (CODAG/COGAG…)2 shafts, 2 vertical triple-expansion steam engines
  • Number of Engines2
  • Shaft Power12,300 kW
  • Shafts / Screws2
  • Top Speed21 kn
  • Cruise Speed10 kn
  • Range3,900
  • Nuclear-PoweredNo
▤Gun Armament4MOD.4
  • Main Gun2 × 203 mm 45 caliber Pattern 1892
  • Main Gun Calibre203 mm
  • Main Gun Count2
  • Secondary Guns8 × 152 mm 45 caliber Pattern 1892, 20 × 75 mm 50 caliber Pattern 1892, 4 or 8 × 47 mm QF 3-pounder Hotchkiss, 0 or 2 × 37 mm
▲Underwater Warfare4MOD.4
◎Aviation5MOD.5
◈Sensors & Combat Systems3MOD.3
▣Survivability5MOD.5
◇Fleet Status8MOD.8
  • Completed4
  • Active0
  • Under Construction0
  • Planned4
  • Cancelled0
  • Lost1
  • Retired3
  • Preserved0
◆Armour3MOD.3
  • ArmourBelt: 90–200 mm, Deck: 50 mm, Turrets: 132–160 mm, Barbettes: 170 mm, Conning tower: 136–160 mm
  • Belt Armour200 mm
  • Deck Armour50 mm
03 / History
SERVICE LIFESPANRetired
  1. 1900Production started
  2. 1904First deployment: Russo-Japanese War
  3. 1911Production ended
126
years in service
11
years in production
4
units produced
0
countries operating
ⓘ 2 countries retired it.
04 / Operators
Operator Countries2country
📖 TERMS ON THIS PAGE1terms
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Cruisers entry →